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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * -------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * ColorBar.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * -------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2002-2008, by David M. O'Donnell and Contributors.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  David M. O'Donnell;<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   David Gilbert (for Object Refinery Limited);<a name="line.33"></a>
<span class="sourceLineNo">034</span> *<a name="line.34"></a>
<span class="sourceLineNo">035</span> * Changes<a name="line.35"></a>
<span class="sourceLineNo">036</span> * -------<a name="line.36"></a>
<span class="sourceLineNo">037</span> * 26-Nov-2002 : Version 1 contributed by David M. O'Donnell (DG);<a name="line.37"></a>
<span class="sourceLineNo">038</span> * 14-Jan-2003 : Changed autoRangeMinimumSize from Number --&gt; double (DG);<a name="line.38"></a>
<span class="sourceLineNo">039</span> * 17-Jan-2003 : Moved plot classes to separate package (DG);<a name="line.39"></a>
<span class="sourceLineNo">040</span> * 20-Jan-2003 : Removed unnecessary constructors (DG);<a name="line.40"></a>
<span class="sourceLineNo">041</span> * 26-Mar-2003 : Implemented Serializable (DG);<a name="line.41"></a>
<span class="sourceLineNo">042</span> * 09-Jul-2003 : Changed ColorBar from extending axis classes to enclosing<a name="line.42"></a>
<span class="sourceLineNo">043</span> *               them (DG);<a name="line.43"></a>
<span class="sourceLineNo">044</span> * 05-Aug-2003 : Applied changes in bug report 780298 (DG);<a name="line.44"></a>
<span class="sourceLineNo">045</span> * 14-Aug-2003 : Implemented Cloneable (DG);<a name="line.45"></a>
<span class="sourceLineNo">046</span> * 08-Sep-2003 : Changed ValueAxis API (DG);<a name="line.46"></a>
<span class="sourceLineNo">047</span> * 21-Jan-2004 : Update for renamed method in ValueAxis (DG);<a name="line.47"></a>
<span class="sourceLineNo">048</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.48"></a>
<span class="sourceLineNo">049</span> * 31-Jan-2007 : Deprecated (DG);<a name="line.49"></a>
<span class="sourceLineNo">050</span> *<a name="line.50"></a>
<span class="sourceLineNo">051</span> */<a name="line.51"></a>
<span class="sourceLineNo">052</span><a name="line.52"></a>
<span class="sourceLineNo">053</span>package org.jfree.chart.axis;<a name="line.53"></a>
<span class="sourceLineNo">054</span><a name="line.54"></a>
<span class="sourceLineNo">055</span>import java.awt.BasicStroke;<a name="line.55"></a>
<span class="sourceLineNo">056</span>import java.awt.Graphics2D;<a name="line.56"></a>
<span class="sourceLineNo">057</span>import java.awt.Paint;<a name="line.57"></a>
<span class="sourceLineNo">058</span>import java.awt.RenderingHints;<a name="line.58"></a>
<span class="sourceLineNo">059</span>import java.awt.Stroke;<a name="line.59"></a>
<span class="sourceLineNo">060</span>import java.awt.geom.Line2D;<a name="line.60"></a>
<span class="sourceLineNo">061</span>import java.awt.geom.Rectangle2D;<a name="line.61"></a>
<span class="sourceLineNo">062</span>import java.io.Serializable;<a name="line.62"></a>
<span class="sourceLineNo">063</span><a name="line.63"></a>
<span class="sourceLineNo">064</span>import org.jfree.chart.plot.ColorPalette;<a name="line.64"></a>
<span class="sourceLineNo">065</span>import org.jfree.chart.plot.ContourPlot;<a name="line.65"></a>
<span class="sourceLineNo">066</span>import org.jfree.chart.plot.Plot;<a name="line.66"></a>
<span class="sourceLineNo">067</span>import org.jfree.chart.plot.RainbowPalette;<a name="line.67"></a>
<span class="sourceLineNo">068</span>import org.jfree.chart.plot.XYPlot;<a name="line.68"></a>
<span class="sourceLineNo">069</span>import org.jfree.chart.renderer.xy.XYBlockRenderer;<a name="line.69"></a>
<span class="sourceLineNo">070</span>import org.jfree.ui.RectangleEdge;<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span>/**<a name="line.72"></a>
<span class="sourceLineNo">073</span> * A color bar.<a name="line.73"></a>
<span class="sourceLineNo">074</span> *<a name="line.74"></a>
<span class="sourceLineNo">075</span> * @deprecated This class is no longer supported (as of version 1.0.4).  If<a name="line.75"></a>
<span class="sourceLineNo">076</span> *     you are creating contour plots, please try to use {@link XYPlot} and<a name="line.76"></a>
<span class="sourceLineNo">077</span> *     {@link XYBlockRenderer}.<a name="line.77"></a>
<span class="sourceLineNo">078</span> */<a name="line.78"></a>
<span class="sourceLineNo">079</span>public class ColorBar implements Cloneable, Serializable {<a name="line.79"></a>
<span class="sourceLineNo">080</span><a name="line.80"></a>
<span class="sourceLineNo">081</span>    /** For serialization. */<a name="line.81"></a>
<span class="sourceLineNo">082</span>    private static final long serialVersionUID = -2101776212647268103L;<a name="line.82"></a>
<span class="sourceLineNo">083</span><a name="line.83"></a>
<span class="sourceLineNo">084</span>    /** The default color bar thickness. */<a name="line.84"></a>
<span class="sourceLineNo">085</span>    public static final int DEFAULT_COLORBAR_THICKNESS = 0;<a name="line.85"></a>
<span class="sourceLineNo">086</span><a name="line.86"></a>
<span class="sourceLineNo">087</span>    /** The default color bar thickness percentage. */<a name="line.87"></a>
<span class="sourceLineNo">088</span>    public static final double DEFAULT_COLORBAR_THICKNESS_PERCENT = 0.10;<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
<span class="sourceLineNo">090</span>    /** The default outer gap. */<a name="line.90"></a>
<span class="sourceLineNo">091</span>    public static final int DEFAULT_OUTERGAP = 2;<a name="line.91"></a>
<span class="sourceLineNo">092</span><a name="line.92"></a>
<span class="sourceLineNo">093</span>    /** The axis. */<a name="line.93"></a>
<span class="sourceLineNo">094</span>    private ValueAxis axis;<a name="line.94"></a>
<span class="sourceLineNo">095</span><a name="line.95"></a>
<span class="sourceLineNo">096</span>    /** The color bar thickness. */<a name="line.96"></a>
<span class="sourceLineNo">097</span>    private int colorBarThickness = DEFAULT_COLORBAR_THICKNESS;<a name="line.97"></a>
<span class="sourceLineNo">098</span><a name="line.98"></a>
<span class="sourceLineNo">099</span>    /**<a name="line.99"></a>
<span class="sourceLineNo">100</span>     * The color bar thickness as a percentage of the height of the data area.<a name="line.100"></a>
<span class="sourceLineNo">101</span>     */<a name="line.101"></a>
<span class="sourceLineNo">102</span>    private double colorBarThicknessPercent<a name="line.102"></a>
<span class="sourceLineNo">103</span>            = DEFAULT_COLORBAR_THICKNESS_PERCENT;<a name="line.103"></a>
<span class="sourceLineNo">104</span><a name="line.104"></a>
<span class="sourceLineNo">105</span>    /** The color palette. */<a name="line.105"></a>
<span class="sourceLineNo">106</span>    private ColorPalette colorPalette = null;<a name="line.106"></a>
<span class="sourceLineNo">107</span><a name="line.107"></a>
<span class="sourceLineNo">108</span>    /** The color bar length. */<a name="line.108"></a>
<span class="sourceLineNo">109</span>    private int colorBarLength = 0; // default make height of plotArea<a name="line.109"></a>
<span class="sourceLineNo">110</span><a name="line.110"></a>
<span class="sourceLineNo">111</span>    /** The amount of blank space around the colorbar. */<a name="line.111"></a>
<span class="sourceLineNo">112</span>    private int outerGap;<a name="line.112"></a>
<span class="sourceLineNo">113</span><a name="line.113"></a>
<span class="sourceLineNo">114</span>    /**<a name="line.114"></a>
<span class="sourceLineNo">115</span>     * Constructs a horizontal colorbar axis, using default values where<a name="line.115"></a>
<span class="sourceLineNo">116</span>     * necessary.<a name="line.116"></a>
<span class="sourceLineNo">117</span>     *<a name="line.117"></a>
<span class="sourceLineNo">118</span>     * @param label  the axis label.<a name="line.118"></a>
<span class="sourceLineNo">119</span>     */<a name="line.119"></a>
<span class="sourceLineNo">120</span>    public ColorBar(String label) {<a name="line.120"></a>
<span class="sourceLineNo">121</span><a name="line.121"></a>
<span class="sourceLineNo">122</span>        NumberAxis a = new NumberAxis(label);<a name="line.122"></a>
<span class="sourceLineNo">123</span>        a.setAutoRangeIncludesZero(false);<a name="line.123"></a>
<span class="sourceLineNo">124</span>        this.axis = a;<a name="line.124"></a>
<span class="sourceLineNo">125</span>        this.axis.setLowerMargin(0.0);<a name="line.125"></a>
<span class="sourceLineNo">126</span>        this.axis.setUpperMargin(0.0);<a name="line.126"></a>
<span class="sourceLineNo">127</span><a name="line.127"></a>
<span class="sourceLineNo">128</span>        this.colorPalette = new RainbowPalette();<a name="line.128"></a>
<span class="sourceLineNo">129</span>        this.colorBarThickness = DEFAULT_COLORBAR_THICKNESS;<a name="line.129"></a>
<span class="sourceLineNo">130</span>        this.colorBarThicknessPercent = DEFAULT_COLORBAR_THICKNESS_PERCENT;<a name="line.130"></a>
<span class="sourceLineNo">131</span>        this.outerGap = DEFAULT_OUTERGAP;<a name="line.131"></a>
<span class="sourceLineNo">132</span>        this.colorPalette.setMinZ(this.axis.getRange().getLowerBound());<a name="line.132"></a>
<span class="sourceLineNo">133</span>        this.colorPalette.setMaxZ(this.axis.getRange().getUpperBound());<a name="line.133"></a>
<span class="sourceLineNo">134</span><a name="line.134"></a>
<span class="sourceLineNo">135</span>    }<a name="line.135"></a>
<span class="sourceLineNo">136</span><a name="line.136"></a>
<span class="sourceLineNo">137</span>    /**<a name="line.137"></a>
<span class="sourceLineNo">138</span>     * Configures the color bar.<a name="line.138"></a>
<span class="sourceLineNo">139</span>     *<a name="line.139"></a>
<span class="sourceLineNo">140</span>     * @param plot  the plot.<a name="line.140"></a>
<span class="sourceLineNo">141</span>     */<a name="line.141"></a>
<span class="sourceLineNo">142</span>    public void configure(ContourPlot plot) {<a name="line.142"></a>
<span class="sourceLineNo">143</span>        double minZ = plot.getDataset().getMinZValue();<a name="line.143"></a>
<span class="sourceLineNo">144</span>        double maxZ = plot.getDataset().getMaxZValue();<a name="line.144"></a>
<span class="sourceLineNo">145</span>        setMinimumValue(minZ);<a name="line.145"></a>
<span class="sourceLineNo">146</span>        setMaximumValue(maxZ);<a name="line.146"></a>
<span class="sourceLineNo">147</span>    }<a name="line.147"></a>
<span class="sourceLineNo">148</span><a name="line.148"></a>
<span class="sourceLineNo">149</span>    /**<a name="line.149"></a>
<span class="sourceLineNo">150</span>     * Returns the axis.<a name="line.150"></a>
<span class="sourceLineNo">151</span>     *<a name="line.151"></a>
<span class="sourceLineNo">152</span>     * @return The axis.<a name="line.152"></a>
<span class="sourceLineNo">153</span>     */<a name="line.153"></a>
<span class="sourceLineNo">154</span>    public ValueAxis getAxis() {<a name="line.154"></a>
<span class="sourceLineNo">155</span>        return this.axis;<a name="line.155"></a>
<span class="sourceLineNo">156</span>    }<a name="line.156"></a>
<span class="sourceLineNo">157</span><a name="line.157"></a>
<span class="sourceLineNo">158</span>    /**<a name="line.158"></a>
<span class="sourceLineNo">159</span>     * Sets the axis.<a name="line.159"></a>
<span class="sourceLineNo">160</span>     *<a name="line.160"></a>
<span class="sourceLineNo">161</span>     * @param axis  the axis.<a name="line.161"></a>
<span class="sourceLineNo">162</span>     */<a name="line.162"></a>
<span class="sourceLineNo">163</span>    public void setAxis(ValueAxis axis) {<a name="line.163"></a>
<span class="sourceLineNo">164</span>        this.axis = axis;<a name="line.164"></a>
<span class="sourceLineNo">165</span>    }<a name="line.165"></a>
<span class="sourceLineNo">166</span><a name="line.166"></a>
<span class="sourceLineNo">167</span>    /**<a name="line.167"></a>
<span class="sourceLineNo">168</span>     * Rescales the axis to ensure that all data are visible.<a name="line.168"></a>
<span class="sourceLineNo">169</span>     */<a name="line.169"></a>
<span class="sourceLineNo">170</span>    public void autoAdjustRange() {<a name="line.170"></a>
<span class="sourceLineNo">171</span>        this.axis.autoAdjustRange();<a name="line.171"></a>
<span class="sourceLineNo">172</span>        this.colorPalette.setMinZ(this.axis.getLowerBound());<a name="line.172"></a>
<span class="sourceLineNo">173</span>        this.colorPalette.setMaxZ(this.axis.getUpperBound());<a name="line.173"></a>
<span class="sourceLineNo">174</span>    }<a name="line.174"></a>
<span class="sourceLineNo">175</span><a name="line.175"></a>
<span class="sourceLineNo">176</span>    /**<a name="line.176"></a>
<span class="sourceLineNo">177</span>     * Draws the plot on a Java 2D graphics device (such as the screen or a<a name="line.177"></a>
<span class="sourceLineNo">178</span>     * printer).<a name="line.178"></a>
<span class="sourceLineNo">179</span>     *<a name="line.179"></a>
<span class="sourceLineNo">180</span>     * @param g2  the graphics device.<a name="line.180"></a>
<span class="sourceLineNo">181</span>     * @param cursor  the cursor.<a name="line.181"></a>
<span class="sourceLineNo">182</span>     * @param plotArea  the area within which the chart should be drawn.<a name="line.182"></a>
<span class="sourceLineNo">183</span>     * @param dataArea  the area within which the plot should be drawn (a<a name="line.183"></a>
<span class="sourceLineNo">184</span>     *                  subset of the drawArea).<a name="line.184"></a>
<span class="sourceLineNo">185</span>     * @param reservedArea  the reserved area.<a name="line.185"></a>
<span class="sourceLineNo">186</span>     * @param edge  the color bar location.<a name="line.186"></a>
<span class="sourceLineNo">187</span>     *<a name="line.187"></a>
<span class="sourceLineNo">188</span>     * @return The new cursor location.<a name="line.188"></a>
<span class="sourceLineNo">189</span>     */<a name="line.189"></a>
<span class="sourceLineNo">190</span>    public double draw(Graphics2D g2, double cursor,<a name="line.190"></a>
<span class="sourceLineNo">191</span>                       Rectangle2D plotArea, Rectangle2D dataArea,<a name="line.191"></a>
<span class="sourceLineNo">192</span>                       Rectangle2D reservedArea, RectangleEdge edge) {<a name="line.192"></a>
<span class="sourceLineNo">193</span><a name="line.193"></a>
<span class="sourceLineNo">194</span><a name="line.194"></a>
<span class="sourceLineNo">195</span>        Rectangle2D colorBarArea = null;<a name="line.195"></a>
<span class="sourceLineNo">196</span><a name="line.196"></a>
<span class="sourceLineNo">197</span>        double thickness = calculateBarThickness(dataArea, edge);<a name="line.197"></a>
<span class="sourceLineNo">198</span>        if (this.colorBarThickness &gt; 0) {<a name="line.198"></a>
<span class="sourceLineNo">199</span>            thickness = this.colorBarThickness;  // allow fixed thickness<a name="line.199"></a>
<span class="sourceLineNo">200</span>        }<a name="line.200"></a>
<span class="sourceLineNo">201</span><a name="line.201"></a>
<span class="sourceLineNo">202</span>        double length = 0.0;<a name="line.202"></a>
<span class="sourceLineNo">203</span>        if (RectangleEdge.isLeftOrRight(edge)) {<a name="line.203"></a>
<span class="sourceLineNo">204</span>            length = dataArea.getHeight();<a name="line.204"></a>
<span class="sourceLineNo">205</span>        }<a name="line.205"></a>
<span class="sourceLineNo">206</span>        else {<a name="line.206"></a>
<span class="sourceLineNo">207</span>            length = dataArea.getWidth();<a name="line.207"></a>
<span class="sourceLineNo">208</span>        }<a name="line.208"></a>
<span class="sourceLineNo">209</span><a name="line.209"></a>
<span class="sourceLineNo">210</span>        if (this.colorBarLength &gt; 0) {<a name="line.210"></a>
<span class="sourceLineNo">211</span>            length = this.colorBarLength;<a name="line.211"></a>
<span class="sourceLineNo">212</span>        }<a name="line.212"></a>
<span class="sourceLineNo">213</span><a name="line.213"></a>
<span class="sourceLineNo">214</span>        if (edge == RectangleEdge.BOTTOM) {<a name="line.214"></a>
<span class="sourceLineNo">215</span>            colorBarArea = new Rectangle2D.Double(dataArea.getX(),<a name="line.215"></a>
<span class="sourceLineNo">216</span>                    plotArea.getMaxY() + this.outerGap, length, thickness);<a name="line.216"></a>
<span class="sourceLineNo">217</span>        }<a name="line.217"></a>
<span class="sourceLineNo">218</span>        else if (edge == RectangleEdge.TOP) {<a name="line.218"></a>
<span class="sourceLineNo">219</span>            colorBarArea = new Rectangle2D.Double(dataArea.getX(),<a name="line.219"></a>
<span class="sourceLineNo">220</span>                    reservedArea.getMinY() + this.outerGap, length, thickness);<a name="line.220"></a>
<span class="sourceLineNo">221</span>        }<a name="line.221"></a>
<span class="sourceLineNo">222</span>        else if (edge == RectangleEdge.LEFT) {<a name="line.222"></a>
<span class="sourceLineNo">223</span>            colorBarArea = new Rectangle2D.Double(plotArea.getX() - thickness<a name="line.223"></a>
<span class="sourceLineNo">224</span>                    - this.outerGap, dataArea.getMinY(), thickness, length);<a name="line.224"></a>
<span class="sourceLineNo">225</span>        }<a name="line.225"></a>
<span class="sourceLineNo">226</span>        else if (edge == RectangleEdge.RIGHT) {<a name="line.226"></a>
<span class="sourceLineNo">227</span>            colorBarArea = new Rectangle2D.Double(plotArea.getMaxX()<a name="line.227"></a>
<span class="sourceLineNo">228</span>                    + this.outerGap, dataArea.getMinY(), thickness, length);<a name="line.228"></a>
<span class="sourceLineNo">229</span>        }<a name="line.229"></a>
<span class="sourceLineNo">230</span><a name="line.230"></a>
<span class="sourceLineNo">231</span>        // update, but dont draw tick marks (needed for stepped colors)<a name="line.231"></a>
<span class="sourceLineNo">232</span>        this.axis.refreshTicks(g2, new AxisState(), colorBarArea, edge);<a name="line.232"></a>
<span class="sourceLineNo">233</span><a name="line.233"></a>
<span class="sourceLineNo">234</span>        drawColorBar(g2, colorBarArea, edge);<a name="line.234"></a>
<span class="sourceLineNo">235</span><a name="line.235"></a>
<span class="sourceLineNo">236</span>        AxisState state = null;<a name="line.236"></a>
<span class="sourceLineNo">237</span>        if (edge == RectangleEdge.TOP) {<a name="line.237"></a>
<span class="sourceLineNo">238</span>            cursor = colorBarArea.getMinY();<a name="line.238"></a>
<span class="sourceLineNo">239</span>            state = this.axis.draw(g2, cursor, reservedArea, colorBarArea,<a name="line.239"></a>
<span class="sourceLineNo">240</span>                    RectangleEdge.TOP, null);<a name="line.240"></a>
<span class="sourceLineNo">241</span>        }<a name="line.241"></a>
<span class="sourceLineNo">242</span>        else if (edge == RectangleEdge.BOTTOM) {<a name="line.242"></a>
<span class="sourceLineNo">243</span>            cursor = colorBarArea.getMaxY();<a name="line.243"></a>
<span class="sourceLineNo">244</span>            state = this.axis.draw(g2, cursor, reservedArea, colorBarArea,<a name="line.244"></a>
<span class="sourceLineNo">245</span>                    RectangleEdge.BOTTOM, null);<a name="line.245"></a>
<span class="sourceLineNo">246</span>        }<a name="line.246"></a>
<span class="sourceLineNo">247</span>        else if (edge == RectangleEdge.LEFT) {<a name="line.247"></a>
<span class="sourceLineNo">248</span>            cursor = colorBarArea.getMinX();<a name="line.248"></a>
<span class="sourceLineNo">249</span>            state = this.axis.draw(g2, cursor, reservedArea, colorBarArea,<a name="line.249"></a>
<span class="sourceLineNo">250</span>                    RectangleEdge.LEFT, null);<a name="line.250"></a>
<span class="sourceLineNo">251</span>        }<a name="line.251"></a>
<span class="sourceLineNo">252</span>        else if (edge == RectangleEdge.RIGHT) {<a name="line.252"></a>
<span class="sourceLineNo">253</span>            cursor = colorBarArea.getMaxX();<a name="line.253"></a>
<span class="sourceLineNo">254</span>            state = this.axis.draw(g2, cursor, reservedArea, colorBarArea,<a name="line.254"></a>
<span class="sourceLineNo">255</span>                    RectangleEdge.RIGHT, null);<a name="line.255"></a>
<span class="sourceLineNo">256</span>        }<a name="line.256"></a>
<span class="sourceLineNo">257</span>        return state.getCursor();<a name="line.257"></a>
<span class="sourceLineNo">258</span><a name="line.258"></a>
<span class="sourceLineNo">259</span>    }<a name="line.259"></a>
<span class="sourceLineNo">260</span><a name="line.260"></a>
<span class="sourceLineNo">261</span>    /**<a name="line.261"></a>
<span class="sourceLineNo">262</span>     * Draws the plot on a Java 2D graphics device (such as the screen or a<a name="line.262"></a>
<span class="sourceLineNo">263</span>     * printer).<a name="line.263"></a>
<span class="sourceLineNo">264</span>     *<a name="line.264"></a>
<span class="sourceLineNo">265</span>     * @param g2  the graphics device.<a name="line.265"></a>
<span class="sourceLineNo">266</span>     * @param colorBarArea  the area within which the axis should be drawn.<a name="line.266"></a>
<span class="sourceLineNo">267</span>     * @param edge  the location.<a name="line.267"></a>
<span class="sourceLineNo">268</span>     */<a name="line.268"></a>
<span class="sourceLineNo">269</span>    public void drawColorBar(Graphics2D g2, Rectangle2D colorBarArea,<a name="line.269"></a>
<span class="sourceLineNo">270</span>                             RectangleEdge edge) {<a name="line.270"></a>
<span class="sourceLineNo">271</span><a name="line.271"></a>
<span class="sourceLineNo">272</span>        Object antiAlias = g2.getRenderingHint(RenderingHints.KEY_ANTIALIASING);<a name="line.272"></a>
<span class="sourceLineNo">273</span>        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,<a name="line.273"></a>
<span class="sourceLineNo">274</span>                            RenderingHints.VALUE_ANTIALIAS_OFF);<a name="line.274"></a>
<span class="sourceLineNo">275</span><a name="line.275"></a>
<span class="sourceLineNo">276</span>        // setTickValues was missing from ColorPalette v. 0.96<a name="line.276"></a>
<span class="sourceLineNo">277</span>        //colorPalette.setTickValues(this.axis.getTicks());<a name="line.277"></a>
<span class="sourceLineNo">278</span><a name="line.278"></a>
<span class="sourceLineNo">279</span>        Stroke strokeSaved = g2.getStroke();<a name="line.279"></a>
<span class="sourceLineNo">280</span>        g2.setStroke(new BasicStroke(1.0f));<a name="line.280"></a>
<span class="sourceLineNo">281</span><a name="line.281"></a>
<span class="sourceLineNo">282</span>        if (RectangleEdge.isTopOrBottom(edge)) {<a name="line.282"></a>
<span class="sourceLineNo">283</span>            double y1 = colorBarArea.getY();<a name="line.283"></a>
<span class="sourceLineNo">284</span>            double y2 = colorBarArea.getMaxY();<a name="line.284"></a>
<span class="sourceLineNo">285</span>            double xx = colorBarArea.getX();<a name="line.285"></a>
<span class="sourceLineNo">286</span>            Line2D line = new Line2D.Double();<a name="line.286"></a>
<span class="sourceLineNo">287</span>            while (xx &lt;= colorBarArea.getMaxX()) {<a name="line.287"></a>
<span class="sourceLineNo">288</span>                double value = this.axis.java2DToValue(xx, colorBarArea, edge);<a name="line.288"></a>
<span class="sourceLineNo">289</span>                line.setLine(xx, y1, xx, y2);<a name="line.289"></a>
<span class="sourceLineNo">290</span>                g2.setPaint(getPaint(value));<a name="line.290"></a>
<span class="sourceLineNo">291</span>                g2.draw(line);<a name="line.291"></a>
<span class="sourceLineNo">292</span>                xx += 1;<a name="line.292"></a>
<span class="sourceLineNo">293</span>            }<a name="line.293"></a>
<span class="sourceLineNo">294</span>        }<a name="line.294"></a>
<span class="sourceLineNo">295</span>        else {<a name="line.295"></a>
<span class="sourceLineNo">296</span>            double y1 = colorBarArea.getX();<a name="line.296"></a>
<span class="sourceLineNo">297</span>            double y2 = colorBarArea.getMaxX();<a name="line.297"></a>
<span class="sourceLineNo">298</span>            double xx = colorBarArea.getY();<a name="line.298"></a>
<span class="sourceLineNo">299</span>            Line2D line = new Line2D.Double();<a name="line.299"></a>
<span class="sourceLineNo">300</span>            while (xx &lt;= colorBarArea.getMaxY()) {<a name="line.300"></a>
<span class="sourceLineNo">301</span>                double value = this.axis.java2DToValue(xx, colorBarArea, edge);<a name="line.301"></a>
<span class="sourceLineNo">302</span>                line.setLine(y1, xx, y2, xx);<a name="line.302"></a>
<span class="sourceLineNo">303</span>                g2.setPaint(getPaint(value));<a name="line.303"></a>
<span class="sourceLineNo">304</span>                g2.draw(line);<a name="line.304"></a>
<span class="sourceLineNo">305</span>                xx += 1;<a name="line.305"></a>
<span class="sourceLineNo">306</span>            }<a name="line.306"></a>
<span class="sourceLineNo">307</span>        }<a name="line.307"></a>
<span class="sourceLineNo">308</span><a name="line.308"></a>
<span class="sourceLineNo">309</span>        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, antiAlias);<a name="line.309"></a>
<span class="sourceLineNo">310</span>        g2.setStroke(strokeSaved);<a name="line.310"></a>
<span class="sourceLineNo">311</span><a name="line.311"></a>
<span class="sourceLineNo">312</span>    }<a name="line.312"></a>
<span class="sourceLineNo">313</span><a name="line.313"></a>
<span class="sourceLineNo">314</span>    /**<a name="line.314"></a>
<span class="sourceLineNo">315</span>     * Returns the color palette.<a name="line.315"></a>
<span class="sourceLineNo">316</span>     *<a name="line.316"></a>
<span class="sourceLineNo">317</span>     * @return The color palette.<a name="line.317"></a>
<span class="sourceLineNo">318</span>     */<a name="line.318"></a>
<span class="sourceLineNo">319</span>    public ColorPalette getColorPalette() {<a name="line.319"></a>
<span class="sourceLineNo">320</span>        return this.colorPalette;<a name="line.320"></a>
<span class="sourceLineNo">321</span>    }<a name="line.321"></a>
<span class="sourceLineNo">322</span><a name="line.322"></a>
<span class="sourceLineNo">323</span>    /**<a name="line.323"></a>
<span class="sourceLineNo">324</span>     * Returns the Paint associated with a value.<a name="line.324"></a>
<span class="sourceLineNo">325</span>     *<a name="line.325"></a>
<span class="sourceLineNo">326</span>     * @param value  the value.<a name="line.326"></a>
<span class="sourceLineNo">327</span>     *<a name="line.327"></a>
<span class="sourceLineNo">328</span>     * @return The paint.<a name="line.328"></a>
<span class="sourceLineNo">329</span>     */<a name="line.329"></a>
<span class="sourceLineNo">330</span>    public Paint getPaint(double value) {<a name="line.330"></a>
<span class="sourceLineNo">331</span>        return this.colorPalette.getPaint(value);<a name="line.331"></a>
<span class="sourceLineNo">332</span>    }<a name="line.332"></a>
<span class="sourceLineNo">333</span><a name="line.333"></a>
<span class="sourceLineNo">334</span>    /**<a name="line.334"></a>
<span class="sourceLineNo">335</span>     * Sets the color palette.<a name="line.335"></a>
<span class="sourceLineNo">336</span>     *<a name="line.336"></a>
<span class="sourceLineNo">337</span>     * @param palette  the new palette.<a name="line.337"></a>
<span class="sourceLineNo">338</span>     */<a name="line.338"></a>
<span class="sourceLineNo">339</span>    public void setColorPalette(ColorPalette palette) {<a name="line.339"></a>
<span class="sourceLineNo">340</span>        this.colorPalette = palette;<a name="line.340"></a>
<span class="sourceLineNo">341</span>    }<a name="line.341"></a>
<span class="sourceLineNo">342</span><a name="line.342"></a>
<span class="sourceLineNo">343</span>    /**<a name="line.343"></a>
<span class="sourceLineNo">344</span>     * Sets the maximum value.<a name="line.344"></a>
<span class="sourceLineNo">345</span>     *<a name="line.345"></a>
<span class="sourceLineNo">346</span>     * @param value  the maximum value.<a name="line.346"></a>
<span class="sourceLineNo">347</span>     */<a name="line.347"></a>
<span class="sourceLineNo">348</span>    public void setMaximumValue(double value) {<a name="line.348"></a>
<span class="sourceLineNo">349</span>        this.colorPalette.setMaxZ(value);<a name="line.349"></a>
<span class="sourceLineNo">350</span>        this.axis.setUpperBound(value);<a name="line.350"></a>
<span class="sourceLineNo">351</span>    }<a name="line.351"></a>
<span class="sourceLineNo">352</span><a name="line.352"></a>
<span class="sourceLineNo">353</span>    /**<a name="line.353"></a>
<span class="sourceLineNo">354</span>     * Sets the minimum value.<a name="line.354"></a>
<span class="sourceLineNo">355</span>     *<a name="line.355"></a>
<span class="sourceLineNo">356</span>     * @param value  the minimum value.<a name="line.356"></a>
<span class="sourceLineNo">357</span>     */<a name="line.357"></a>
<span class="sourceLineNo">358</span>    public void setMinimumValue(double value) {<a name="line.358"></a>
<span class="sourceLineNo">359</span>        this.colorPalette.setMinZ(value);<a name="line.359"></a>
<span class="sourceLineNo">360</span>        this.axis.setLowerBound(value);<a name="line.360"></a>
<span class="sourceLineNo">361</span>    }<a name="line.361"></a>
<span class="sourceLineNo">362</span><a name="line.362"></a>
<span class="sourceLineNo">363</span>    /**<a name="line.363"></a>
<span class="sourceLineNo">364</span>     * Reserves the space required to draw the color bar.<a name="line.364"></a>
<span class="sourceLineNo">365</span>     *<a name="line.365"></a>
<span class="sourceLineNo">366</span>     * @param g2  the graphics device.<a name="line.366"></a>
<span class="sourceLineNo">367</span>     * @param plot  the plot that the axis belongs to.<a name="line.367"></a>
<span class="sourceLineNo">368</span>     * @param plotArea  the area within which the plot should be drawn.<a name="line.368"></a>
<span class="sourceLineNo">369</span>     * @param dataArea  the data area.<a name="line.369"></a>
<span class="sourceLineNo">370</span>     * @param edge  the axis location.<a name="line.370"></a>
<span class="sourceLineNo">371</span>     * @param space  the space already reserved.<a name="line.371"></a>
<span class="sourceLineNo">372</span>     *<a name="line.372"></a>
<span class="sourceLineNo">373</span>     * @return The space required to draw the axis in the specified plot area.<a name="line.373"></a>
<span class="sourceLineNo">374</span>     */<a name="line.374"></a>
<span class="sourceLineNo">375</span>    public AxisSpace reserveSpace(Graphics2D g2, Plot plot,<a name="line.375"></a>
<span class="sourceLineNo">376</span>                                  Rectangle2D plotArea,<a name="line.376"></a>
<span class="sourceLineNo">377</span>                                  Rectangle2D dataArea, RectangleEdge edge,<a name="line.377"></a>
<span class="sourceLineNo">378</span>                                  AxisSpace space) {<a name="line.378"></a>
<span class="sourceLineNo">379</span><a name="line.379"></a>
<span class="sourceLineNo">380</span>        AxisSpace result = this.axis.reserveSpace(g2, plot, plotArea, edge,<a name="line.380"></a>
<span class="sourceLineNo">381</span>                space);<a name="line.381"></a>
<span class="sourceLineNo">382</span>        double thickness = calculateBarThickness(dataArea, edge);<a name="line.382"></a>
<span class="sourceLineNo">383</span>        result.add(thickness + 2 * this.outerGap, edge);<a name="line.383"></a>
<span class="sourceLineNo">384</span>        return result;<a name="line.384"></a>
<span class="sourceLineNo">385</span><a name="line.385"></a>
<span class="sourceLineNo">386</span>    }<a name="line.386"></a>
<span class="sourceLineNo">387</span><a name="line.387"></a>
<span class="sourceLineNo">388</span>    /**<a name="line.388"></a>
<span class="sourceLineNo">389</span>     * Calculates the bar thickness.<a name="line.389"></a>
<span class="sourceLineNo">390</span>     *<a name="line.390"></a>
<span class="sourceLineNo">391</span>     * @param plotArea  the plot area.<a name="line.391"></a>
<span class="sourceLineNo">392</span>     * @param edge  the location.<a name="line.392"></a>
<span class="sourceLineNo">393</span>     *<a name="line.393"></a>
<span class="sourceLineNo">394</span>     * @return The thickness.<a name="line.394"></a>
<span class="sourceLineNo">395</span>     */<a name="line.395"></a>
<span class="sourceLineNo">396</span>    private double calculateBarThickness(Rectangle2D plotArea,<a name="line.396"></a>
<span class="sourceLineNo">397</span>                                         RectangleEdge edge) {<a name="line.397"></a>
<span class="sourceLineNo">398</span>        double result = 0.0;<a name="line.398"></a>
<span class="sourceLineNo">399</span>        if (RectangleEdge.isLeftOrRight(edge)) {<a name="line.399"></a>
<span class="sourceLineNo">400</span>            result = plotArea.getWidth() * this.colorBarThicknessPercent;<a name="line.400"></a>
<span class="sourceLineNo">401</span>        }<a name="line.401"></a>
<span class="sourceLineNo">402</span>        else {<a name="line.402"></a>
<span class="sourceLineNo">403</span>            result = plotArea.getHeight() * this.colorBarThicknessPercent;<a name="line.403"></a>
<span class="sourceLineNo">404</span>        }<a name="line.404"></a>
<span class="sourceLineNo">405</span>        return result;<a name="line.405"></a>
<span class="sourceLineNo">406</span>    }<a name="line.406"></a>
<span class="sourceLineNo">407</span><a name="line.407"></a>
<span class="sourceLineNo">408</span>    /**<a name="line.408"></a>
<span class="sourceLineNo">409</span>     * Returns a clone of the object.<a name="line.409"></a>
<span class="sourceLineNo">410</span>     *<a name="line.410"></a>
<span class="sourceLineNo">411</span>     * @return A clone.<a name="line.411"></a>
<span class="sourceLineNo">412</span>     *<a name="line.412"></a>
<span class="sourceLineNo">413</span>     * @throws CloneNotSupportedException if some component of the color bar<a name="line.413"></a>
<span class="sourceLineNo">414</span>     *         does not support cloning.<a name="line.414"></a>
<span class="sourceLineNo">415</span>     */<a name="line.415"></a>
<span class="sourceLineNo">416</span>    public Object clone() throws CloneNotSupportedException {<a name="line.416"></a>
<span class="sourceLineNo">417</span><a name="line.417"></a>
<span class="sourceLineNo">418</span>        ColorBar clone = (ColorBar) super.clone();<a name="line.418"></a>
<span class="sourceLineNo">419</span>        clone.axis = (ValueAxis) this.axis.clone();<a name="line.419"></a>
<span class="sourceLineNo">420</span>        return clone;<a name="line.420"></a>
<span class="sourceLineNo">421</span><a name="line.421"></a>
<span class="sourceLineNo">422</span>    }<a name="line.422"></a>
<span class="sourceLineNo">423</span><a name="line.423"></a>
<span class="sourceLineNo">424</span>    /**<a name="line.424"></a>
<span class="sourceLineNo">425</span>     * Tests this object for equality with another.<a name="line.425"></a>
<span class="sourceLineNo">426</span>     *<a name="line.426"></a>
<span class="sourceLineNo">427</span>     * @param obj  the object to test against.<a name="line.427"></a>
<span class="sourceLineNo">428</span>     *<a name="line.428"></a>
<span class="sourceLineNo">429</span>     * @return A boolean.<a name="line.429"></a>
<span class="sourceLineNo">430</span>     */<a name="line.430"></a>
<span class="sourceLineNo">431</span>    public boolean equals(Object obj) {<a name="line.431"></a>
<span class="sourceLineNo">432</span><a name="line.432"></a>
<span class="sourceLineNo">433</span>        if (obj == this) {<a name="line.433"></a>
<span class="sourceLineNo">434</span>            return true;<a name="line.434"></a>
<span class="sourceLineNo">435</span>        }<a name="line.435"></a>
<span class="sourceLineNo">436</span>        if (!(obj instanceof ColorBar)) {<a name="line.436"></a>
<span class="sourceLineNo">437</span>            return false;<a name="line.437"></a>
<span class="sourceLineNo">438</span>        }<a name="line.438"></a>
<span class="sourceLineNo">439</span>        ColorBar that = (ColorBar) obj;<a name="line.439"></a>
<span class="sourceLineNo">440</span>        if (!this.axis.equals(that.axis)) {<a name="line.440"></a>
<span class="sourceLineNo">441</span>            return false;<a name="line.441"></a>
<span class="sourceLineNo">442</span>        }<a name="line.442"></a>
<span class="sourceLineNo">443</span>        if (this.colorBarThickness != that.colorBarThickness) {<a name="line.443"></a>
<span class="sourceLineNo">444</span>            return false;<a name="line.444"></a>
<span class="sourceLineNo">445</span>        }<a name="line.445"></a>
<span class="sourceLineNo">446</span>        if (this.colorBarThicknessPercent != that.colorBarThicknessPercent) {<a name="line.446"></a>
<span class="sourceLineNo">447</span>            return false;<a name="line.447"></a>
<span class="sourceLineNo">448</span>        }<a name="line.448"></a>
<span class="sourceLineNo">449</span>        if (!this.colorPalette.equals(that.colorPalette)) {<a name="line.449"></a>
<span class="sourceLineNo">450</span>            return false;<a name="line.450"></a>
<span class="sourceLineNo">451</span>        }<a name="line.451"></a>
<span class="sourceLineNo">452</span>        if (this.colorBarLength != that.colorBarLength) {<a name="line.452"></a>
<span class="sourceLineNo">453</span>            return false;<a name="line.453"></a>
<span class="sourceLineNo">454</span>        }<a name="line.454"></a>
<span class="sourceLineNo">455</span>        if (this.outerGap != that.outerGap) {<a name="line.455"></a>
<span class="sourceLineNo">456</span>            return false;<a name="line.456"></a>
<span class="sourceLineNo">457</span>        }<a name="line.457"></a>
<span class="sourceLineNo">458</span>        return true;<a name="line.458"></a>
<span class="sourceLineNo">459</span><a name="line.459"></a>
<span class="sourceLineNo">460</span>    }<a name="line.460"></a>
<span class="sourceLineNo">461</span><a name="line.461"></a>
<span class="sourceLineNo">462</span>    /**<a name="line.462"></a>
<span class="sourceLineNo">463</span>     * Returns a hash code for this object.<a name="line.463"></a>
<span class="sourceLineNo">464</span>     *<a name="line.464"></a>
<span class="sourceLineNo">465</span>     * @return A hash code.<a name="line.465"></a>
<span class="sourceLineNo">466</span>     */<a name="line.466"></a>
<span class="sourceLineNo">467</span>    public int hashCode() {<a name="line.467"></a>
<span class="sourceLineNo">468</span>        return this.axis.hashCode();<a name="line.468"></a>
<span class="sourceLineNo">469</span>    }<a name="line.469"></a>
<span class="sourceLineNo">470</span><a name="line.470"></a>
<span class="sourceLineNo">471</span>}<a name="line.471"></a>




























































</pre>
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